'f877 + usart + interrupt = headache'
a plea for help
i'm currently working on a dmx512 decoder
the problem i'm having is not being able to get the 2 tasks to run together
a interrupt driven loop every 15usec to look after the analogue section
and the main body of the program reading data at 250kbaud
currently i can either have the analogue section running with no data being
thrown at the device or i can have data and the analogue wont enter the
interrupt routine the rcif on the rx section is just polled to make life
easier i think
can the pic run the usart independantly or does the pic devote all its
power to the usart when receiving
any help appreciated
many thanks chris
Kelly J Kohls
> a plea for help
> i'm currently working on a dmx512 decoder
> any help appreciated
Have a look at my homepage. I have my DMX decoder schematic and source
It may give you some ideas on how I received the DMX signal.
Kelly Kohls, N5TLE
Email: juno.com OR kkohlsqsl.net OR n5tlearrl.netn5tle
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